Cargraphic Turbo Back Exhaust System (Catless With Flaps) for the Porsche 911 (991)
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Cargraphic Turbo Back Exhaust System (Catless With Flaps)
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Porsche 991 Turbo Sport Exhaust System from Cargraphic
Any sport exhaust for your Turbo is a little more involved than a sports exhaust system for Carrera models (before they ALSO became turbo!). The reason is, on your 991 Turbo, the standard exhaust system is fully integrated - i.e. the catalysts (which clean exhaust flow) and the rear silencer are one single piece. This means that any sports exhaust for the car also has to contain catalysts as well as a rear silencer. The Cargraphic exhaust takes account of this but also has a very clever feature - it is switchable meaning you can choose a quiet or loud sound.
The kit comprises the following:
The 200 cell catalysts used here, which are OBD-compliant and made by HJS in Germany, do NOT trigger any warning lights and ensure your car will still pass MOT.
The key thing to note here is that the valves are both remote and automatically controlled. Using a programmable remote, (which takes a reading from a sensor plugged into the exhaust - this is all part of the kit) the valves are made to open automatically at high revs (giving you a loud sound and maximal power should you forget to open them when you press on), and can be made to open automatically at other points in the rev range which you can programme in (a "cruise mode" and "sport mode"). However, they can also be made to open at any time - primarily early on the rev range, via a separate remote control system which is supplied. This is a clever mechanism as it enables the driver, from the seat, to electronically silence the exhaust note when required (for those early morning getaways, and late night returns etc.) allowing quiet low speed/town driving or long distance cruising AND switch between different exhaust sound modes all the way through to fully open for maximum sound.
This system will essentially do two things for the car:
The Cargraphic complete system is substantially lighter than the stock exhaust - approximately 40% - its double-skinned construction with 304 grade stainless steel and excellent flow capabilities mean that less heat is retained within the exhaust reducing engine bay and surrounding areas.
We offer an end-to-end service where we can arrange, supply, fit and/or install. We also work with main dealers for added peace of mind. If you are ready to purchase, please add it to your shopping cart and continue to checkout. We will call you back within one working day to discuss your options.
We are the world’s leading tuner of performance cars since 2002. If you have any question or would like some friendly advice, our specialist tuning department are happy to assist you. Simply, call us or enquire through our form and we’ll get right back to you.